Novel Acting Thrombolytic (NAT) April 12, 2017 Novel Acting Thrombolytic (NAT) Trade Name Orphan Indication Peripheral arterial occlusion (PAO) USA Market Approval USA USA Designation Date 2001-01-26 00:00:00 Sponsor Nuvelo, Inc. Inc.;201 Industrial Road, Suite 310;San Carlos, California, 94070